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Wabco 4750150320 Pressure Limiting Valve
Description
The
Wabco 4750150320 is a Pressure Limiting Valve designed for use in air brake systems. This valve regulates air pressure, ensuring optimal braking performance and safety in commercial vehicles. It features M16 x 1.5 port threads and is suitable for mounting using a single 8.2 mm diameter connection. With an opening pressure of 14 bar and an adjustment range of 8.5 to 11.0 bar, this valve provides precise control over air pressure. Its robust design, operating within a temperature range of -40°C to +80°C, ensures consistent and reliable performance under various conditions. The valve's dimensions are 86 x 73 x 64 mm.
Key Features & Benefits
This valve basically controls the maximum air pressure that goes into your brake system. It takes the higher pressure from your air compressor and reduces it to a safe level for the rest of your components – things like your air bags, actuators, and brake chambers. It’s a pretty simple idea, but really important for keeping everything working correctly. It doesn't make pressure, it just manages it, stepping it down to what the system needs.
Think of it as a gatekeeper for your air brake system. It sits between the air compressor and the rest of the braking components. It ensures no single part is over – pressurized. It’s commonly found on trucks and trailers, anything that relies on air brakes to stop safely. Different vehicles might have it located in slightly different spots, usually somewhere along the air lines near the compressor or the first major components.
Symptoms, Risks & Replacements
Well, if this valve fails, you could have too much pressure going to parts that aren’t designed for it. That’s a recipe for blown seals, damaged actuators, or even complete brake failure. It acts like a shield, protecting the more sensitive parts of your air system. You’ll notice if it's failing – things like brakes dragging, unusually long stopping distances, or the air compressor running constantly. It's a relatively inexpensive part considering what it protects, and it's one of those things it's best to replace proactively if you suspect trouble. Fixparts Online has a good selection of these if you're looking for a replacement, and they often have diagrams that help you find the correct one for your vehicle.
Warranty Information
Wabco Pressure Limiting Valve (MPN 4750150320) comes with a 1-year warranty.